Velocity of Sound in Dry Air

 

 

 

Data only applies to dry air, with air being treated as a perfect gas.

 

 

Temp
°C
0
m/s
1
m/s
2
m/s
3
m/s
4
m/s
5
m/s
6
m/s
7
m/s
8
m/s
9
m/s
60366.05366.60367.14367.69368.24368.78369.33369.87370.42370.96
50360.51361.07361.62362.18362.74363.29363.84364.39364.95365.50
40354.89355.46356.02356.58357.15357.71358.27358.83359.39359.95
30349.18349.75350.33350.90351.47352.04352.62353.19353.75354.32
20343.37343.95344.54345.12345.70346.29346.87347.44348.02348.60
10337.46338.06338.65339.25339.84340.43341.02341.61342.20342.78
0331.45332.06332.66333.27333.87334.47335.07335.67336.27336.87
-10325.33324.71324.09323.47322.84322.22321.60320.97320.34319.72
-20319.09318.45317.82317.19316.55315.92315.28314.64314.00313.36
-30312.72312.08311.43310.78310.14309.49308.84308.19307.53306.88
-40306.22305.56304.91304.25303.58302.92302.26301.59300.92300.25
-50299.58298.91298.24297.56296.89296.21295.53294.85294.16293.48
-60292.79292.11291.42290.73290.03289.34288.64287.95287.25286.55
-70285.84285.14284.43283.73283.02282.30281.59280.88280.16279.44
-80278.72278.00277.27276.55275.82275.09274.36273.62272.89272.15
-90271.41270.67269.92269.18268.43267.68266.93266.17265.42264.66

Information from CRC Handbook of Chemistry and Physics, 7first Edition, 1990-1991, David R. Lide